31951-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31951-90-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,9,5 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 31951-90:
(7*3)+(6*1)+(5*9)+(4*5)+(3*1)+(2*9)+(1*0)=113
113 % 10 = 3
So 31951-90-3 is a valid CAS Registry Number.
31951-90-3Relevant articles and documents
REACTIONS OF P(IV)-ACID DIMETHYLAMIDES WITH ACETYL CHLORIDE
Nuretdinova, O. N.,Guseva, F. F.,Troitskaya, L. B.
, p. 2493 - 2495 (2007/10/02)
Substitution of the dimethylamino group by chlorine in a series of P=O and P=S P(IV)-acid dimethylamides by means of acetyl chloride proceeds more readily for P=O amides.
